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    The Exploratorium
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    In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes. Learners use simple materials to assemble a comb (electrophoresis chamber) to...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    National Health Museum
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    In this highly collaborative activity, learners design and complete a controlled experiment which attempts to answer a simple question about the slime mold Physarum. Learners present their findings...

    Over $20 per group Ages 14 - 18 1 to 7 days
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    National Health Museum
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    In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents. Learners use the agar...

    $5 - $10 per student Ages 11 - 18 4 to 24 hours
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    National Health Museum
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    In this lab (Activity #1 on page), learners compare bacteria growth on two petri dishes containing nutrient agar: one that has been touched by a finger washed only with water and one that has been...

    $1 - $5 per group Ages 8 - 18 1 to 7 days
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    National Health Museum
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    In this lab (Activity #2 on page), learners compare bacteria growth on two petri dishes containing nutrient agar. Learners touch the doors, faucets, etc. in bathroom and then immerse their hands in...

    $1 - $5 per group Ages 8 - 18 1 to 7 days